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Convert

Free online file format converters — convert between JSON, CSV, XML, YAML, Base64, HEX, Markdown, HTML and dozens of other formats. All text conversions run entirely in your browser with no data sent to any server.

JSON to CSV

Convert JSON data to CSV

CSV to JSON

Convert CSV data to JSON

YAML to JSON

Convert YAML to JSON format

Base64 Encode / Decode

Encode or decode Base64 strings

URL Encode / Decode

Encode or decode URL strings

Number Base Converter

Convert between decimal, binary, hex and octal

JSON to YAML

Convert JSON to YAML format

XML to JSON

Convert XML to JSON format

Image to Base64

Convert images to Base64 data URIs

CSV to Markdown Table

Convert CSV data to Markdown tables

Text to Binary

Convert text to binary and back

HTML Entity Encoder

Encode and decode HTML entities

Morse Code Translator

Convert text to Morse code and back

Hex to Text

Convert hexadecimal to text and back

JSON to XML

Convert JSON to XML format

TSV to CSV

Convert tab-separated to comma-separated

Roman Numeral Converter

Convert between Roman and Arabic numerals

SRT to VTT

Convert SRT subtitles to WebVTT format

VCF to CSV

Convert vCard contacts to CSV spreadsheet

19 free tools — no signup required, no files stored.